Cleto, F. (1991). The GFI's five years after EDSA uprising: The Social Security System today / Freddie Cleto. Malaya.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCleto, Freddie. "The GFI's Five Years After EDSA Uprising: The Social Security System Today / Freddie Cleto." Malaya 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCleto, Freddie. "The GFI's Five Years After EDSA Uprising: The Social Security System Today / Freddie Cleto." Malaya, 1991.
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